./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b997655f-20ad-47e3-9449-3ecd966775b9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b997655f-20ad-47e3-9449-3ecd966775b9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b997655f-20ad-47e3-9449-3ecd966775b9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b997655f-20ad-47e3-9449-3ecd966775b9/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b997655f-20ad-47e3-9449-3ecd966775b9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b997655f-20ad-47e3-9449-3ecd966775b9/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 70ea5eb10d82b903f50468d78668817b6c6916a6 ................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:35:18,345 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:35:18,346 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:35:18,353 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:35:18,353 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:35:18,354 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:35:18,355 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:35:18,356 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:35:18,357 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:35:18,358 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:35:18,358 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:35:18,358 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:35:18,359 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:35:18,360 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:35:18,360 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:35:18,360 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:35:18,361 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:35:18,362 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:35:18,363 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:35:18,364 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:35:18,365 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:35:18,366 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:35:18,367 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:35:18,368 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:35:18,368 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:35:18,368 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:35:18,369 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:35:18,370 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:35:18,370 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:35:18,370 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:35:18,371 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:35:18,371 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:35:18,371 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:35:18,371 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:35:18,372 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:35:18,372 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:35:18,372 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b997655f-20ad-47e3-9449-3ecd966775b9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 15:35:18,379 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:35:18,380 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:35:18,380 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:35:18,380 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:35:18,381 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:35:18,381 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:35:18,381 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:35:18,381 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:35:18,381 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:35:18,381 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:35:18,381 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:35:18,382 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:35:18,382 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:35:18,382 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:35:18,382 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:35:18,382 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:35:18,382 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:35:18,382 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:35:18,382 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:35:18,383 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:35:18,383 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:35:18,383 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:35:18,383 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:35:18,383 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:35:18,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:35:18,383 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:35:18,384 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:35:18,384 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:35:18,384 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:35:18,384 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:35:18,384 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:35:18,385 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:35:18,385 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_b997655f-20ad-47e3-9449-3ecd966775b9/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70ea5eb10d82b903f50468d78668817b6c6916a6 [2018-11-18 15:35:18,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:35:18,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:35:18,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:35:18,417 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:35:18,417 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:35:18,418 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b997655f-20ad-47e3-9449-3ecd966775b9/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c [2018-11-18 15:35:18,455 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b997655f-20ad-47e3-9449-3ecd966775b9/bin-2019/uautomizer/data/c77de5150/e0609bb5e89e4808be7c2b5d34071132/FLAG3726951d0 [2018-11-18 15:35:18,865 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:35:18,866 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b997655f-20ad-47e3-9449-3ecd966775b9/sv-benchmarks/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c [2018-11-18 15:35:18,872 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b997655f-20ad-47e3-9449-3ecd966775b9/bin-2019/uautomizer/data/c77de5150/e0609bb5e89e4808be7c2b5d34071132/FLAG3726951d0 [2018-11-18 15:35:18,880 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b997655f-20ad-47e3-9449-3ecd966775b9/bin-2019/uautomizer/data/c77de5150/e0609bb5e89e4808be7c2b5d34071132 [2018-11-18 15:35:18,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:35:18,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:35:18,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:35:18,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:35:18,887 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:35:18,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:35:18" (1/1) ... [2018-11-18 15:35:18,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:18, skipping insertion in model container [2018-11-18 15:35:18,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:35:18" (1/1) ... [2018-11-18 15:35:18,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:35:18,924 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:35:19,103 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:35:19,111 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:35:19,201 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:35:19,219 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:35:19,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:19 WrapperNode [2018-11-18 15:35:19,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:35:19,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:35:19,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:35:19,220 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:35:19,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:19" (1/1) ... [2018-11-18 15:35:19,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:19" (1/1) ... [2018-11-18 15:35:19,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:35:19,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:35:19,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:35:19,262 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:35:19,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:19" (1/1) ... [2018-11-18 15:35:19,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:19" (1/1) ... [2018-11-18 15:35:19,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:19" (1/1) ... [2018-11-18 15:35:19,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:19" (1/1) ... [2018-11-18 15:35:19,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:19" (1/1) ... [2018-11-18 15:35:19,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:19" (1/1) ... [2018-11-18 15:35:19,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:19" (1/1) ... [2018-11-18 15:35:19,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:35:19,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:35:19,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:35:19,285 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:35:19,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b997655f-20ad-47e3-9449-3ecd966775b9/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:35:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:35:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:35:19,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:35:19,788 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:35:19,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:35:19 BoogieIcfgContainer [2018-11-18 15:35:19,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:35:19,789 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:35:19,790 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:35:19,792 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:35:19,793 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:35:19,793 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:35:18" (1/3) ... [2018-11-18 15:35:19,794 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74ed6495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:35:19, skipping insertion in model container [2018-11-18 15:35:19,794 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:35:19,794 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:19" (2/3) ... [2018-11-18 15:35:19,794 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74ed6495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:35:19, skipping insertion in model container [2018-11-18 15:35:19,794 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:35:19,795 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:35:19" (3/3) ... [2018-11-18 15:35:19,796 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product10_true-unreach-call_false-termination.cil.c [2018-11-18 15:35:19,829 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:35:19,830 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:35:19,830 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:35:19,830 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:35:19,830 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:35:19,830 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:35:19,830 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:35:19,830 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:35:19,830 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:35:19,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states. [2018-11-18 15:35:19,854 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-11-18 15:35:19,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:35:19,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:35:19,860 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:35:19,860 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:35:19,860 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:35:19,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states. [2018-11-18 15:35:19,864 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-11-18 15:35:19,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:35:19,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:35:19,864 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:35:19,865 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:35:19,868 INFO L794 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 5#L526true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 18#L519true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 38#L534true main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 82#L869true assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 35#L845true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 24#L753true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 28#L552-3true [2018-11-18 15:35:19,868 INFO L796 eck$LassoCheckResult]: Loop: 28#L552-3true assume true; 19#L552-1true assume !false; 42#L553true assume test_~splverifierCounter~0 < 4; 72#L554true test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 76#L562true assume !(0 != test_~tmp~3); 81#L562-2true test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 63#L572true assume !(0 != test_~tmp___0~0); 67#L572-2true test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 50#L582true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 48#L743true assume { :end_inline_startSystem } true; 55#L590-2true assume { :begin_inline_timeShift } true; 8#L621true assume !(0 != ~pumpRunning~0); 11#L621-2true assume !(0 != ~systemActive~0); 74#L628-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 25#L98true __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 22#L764true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 26#L764-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 58#L638true assume { :end_inline_timeShift } true; 28#L552-3true [2018-11-18 15:35:19,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:35:19,873 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 15:35:19,875 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:35:19,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:35:19,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:19,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:35:19,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:20,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:35:20,034 INFO L82 PathProgramCache]: Analyzing trace with hash 295689529, now seen corresponding path program 1 times [2018-11-18 15:35:20,034 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:35:20,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:35:20,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:20,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:35:20,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:35:20,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:35:20,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:35:20,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:35:20,074 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 15:35:20,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:35:20,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:35:20,084 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 3 states. [2018-11-18 15:35:20,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:35:20,112 INFO L93 Difference]: Finished difference Result 79 states and 99 transitions. [2018-11-18 15:35:20,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:35:20,114 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 99 transitions. [2018-11-18 15:35:20,116 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-18 15:35:20,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 69 states and 88 transitions. [2018-11-18 15:35:20,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2018-11-18 15:35:20,121 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2018-11-18 15:35:20,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 88 transitions. [2018-11-18 15:35:20,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:35:20,122 INFO L705 BuchiCegarLoop]: Abstraction has 69 states and 88 transitions. [2018-11-18 15:35:20,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 88 transitions. [2018-11-18 15:35:20,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-11-18 15:35:20,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-11-18 15:35:20,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2018-11-18 15:35:20,145 INFO L728 BuchiCegarLoop]: Abstraction has 69 states and 88 transitions. [2018-11-18 15:35:20,145 INFO L608 BuchiCegarLoop]: Abstraction has 69 states and 88 transitions. [2018-11-18 15:35:20,145 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:35:20,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 88 transitions. [2018-11-18 15:35:20,146 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-18 15:35:20,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:35:20,147 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:35:20,147 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:35:20,147 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:35:20,148 INFO L794 eck$LassoCheckResult]: Stem: 221#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 174#L526 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 175#L519 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 196#L534 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 215#L869 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 212#L845 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 206#L753 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 207#L552-3 [2018-11-18 15:35:20,148 INFO L796 eck$LassoCheckResult]: Loop: 207#L552-3 assume true; 197#L552-1 assume !false; 198#L553 assume test_~splverifierCounter~0 < 4; 220#L554 test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 235#L562 assume !(0 != test_~tmp~3); 185#L562-2 test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 231#L572 assume !(0 != test_~tmp___0~0); 219#L572-2 test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 224#L582 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet49;havoc test_#t~nondet49; 225#L590 assume 0 != test_~tmp___1~0; 223#L590-2 assume { :begin_inline_timeShift } true; 180#L621 assume !(0 != ~pumpRunning~0); 182#L621-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 186#L645 assume { :end_inline_processEnvironment } true; 232#L628-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 205#L98 __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 201#L764 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 203#L764-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 208#L638 assume { :end_inline_timeShift } true; 207#L552-3 [2018-11-18 15:35:20,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:35:20,148 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 15:35:20,148 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:35:20,148 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:35:20,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:20,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:35:20,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:20,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:35:20,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1623903356, now seen corresponding path program 1 times [2018-11-18 15:35:20,206 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:35:20,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:35:20,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:20,207 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:35:20,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:20,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:35:20,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1241315597, now seen corresponding path program 1 times [2018-11-18 15:35:20,217 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:35:20,217 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:35:20,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:20,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:35:20,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:56,405 WARN L180 SmtUtils]: Spent 36.03 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 15:36:05,829 WARN L180 SmtUtils]: Spent 9.42 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 15:36:05,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:36:05 BoogieIcfgContainer [2018-11-18 15:36:05,887 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:36:05,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:36:05,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:36:05,888 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:36:05,888 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:35:19" (3/4) ... [2018-11-18 15:36:05,891 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 15:36:05,929 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b997655f-20ad-47e3-9449-3ecd966775b9/bin-2019/uautomizer/witness.graphml [2018-11-18 15:36:05,930 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:36:05,930 INFO L168 Benchmark]: Toolchain (without parser) took 47047.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -57.5 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:36:05,931 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:36:05,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:36:05,931 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:36:05,933 INFO L168 Benchmark]: Boogie Preprocessor took 23.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:36:05,933 INFO L168 Benchmark]: RCFGBuilder took 504.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:36:05,933 INFO L168 Benchmark]: BuchiAutomizer took 46097.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.1 MB). Peak memory consumption was 202.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:36:05,933 INFO L168 Benchmark]: Witness Printer took 42.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:36:05,935 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 504.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 46097.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.1 MB). Peak memory consumption was 202.8 MB. Max. memory is 11.5 GB. * Witness Printer took 42.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 69 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 46.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 45.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 69 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 96 SDtfs, 94 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 552]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, retValue_acc=0, "On"=38, "Env(Water:%i"=22, "Off"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48315d0a=161, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@416d3aef=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@108946da=0, "OK"=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bfc9ac2=0, "On"=0, "Off"=37, "libacc.c"=29, "__utac__get_this_argtype"=0, retValue_acc=0, methaneLevelCritical=0, "i > 0 && i <= this->argsCount"=31, tmp=0, ") "=0, "libacc.c"=24, "__utac__get_this_arg"=11, "\n"=0, tmp___1=161, "libacc.c"=15, "i > 0 && i <= this->argsCount"=16, "__utac__get_this_argtype"=28, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=12, "__utac__get_this_argtype"=26, "Pump(System:"=35, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, tmp___0=0, "On"=0, "Off"=0, "Pump(System:"=0, \result=1, head=0, pumpRunning=0, "Off"=33, \result=0, "__utac__get_this_arg"=0, tmp=1, retValue_acc=1, "\n"=39, "On"=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77384892=0, "CRIT"=19, tmp___2=0, tmp___0=0, "__utac__get_this_arg"=14, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, ",Pump:"=0, ")"=0, "OK"=0, "CRIT"=0, methAndRunningLastTime=0, \result=0, ")"=17, ",Pump:"=34, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1024b420=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42f5aee3=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, ",Meth:"=20, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=27, tmp=0, ") "=40} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 552]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L107] FCALL "Env(Water:%i" [L108] FCALL ",Meth:" [L112] FCALL "CRIT" [L116] FCALL "OK" [L120] FCALL ")" [L432] FCALL "i > 0 && i <= this->argsCount" [L432] FCALL "libacc.c" [L433] FCALL "__utac__get_this_arg" [L439] FCALL "i > 0 && i <= this->argsCount" [L439] FCALL "libacc.c" [L440] FCALL "__utac__get_this_arg" [L478] FCALL "i > 0 && i <= this->argsCount" [L478] FCALL "libacc.c" [L479] FCALL "__utac__get_this_argtype" [L485] FCALL "i > 0 && i <= this->argsCount" [L485] FCALL "libacc.c" [L486] FCALL "__utac__get_this_argtype" [L707] FCALL "Pump(System:" [L711] FCALL "On" [L715] FCALL "Off" [L719] FCALL ",Pump:" [L723] FCALL "On" [L727] FCALL "Off" [L731] FCALL ") " [L733] FCALL "\n" [L55] int waterLevel = 1; [L56] int methaneLevelCritical = 0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L747] int methAndRunningLastTime ; [L786] int cleanupTimeShifts = 4; [L304] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L860] int retValue_acc ; [L861] int tmp ; [L865] FCALL select_helpers() [L866] FCALL select_features() [L867] CALL, EXPR valid_product() [L530] int retValue_acc ; [L533] retValue_acc = 1 [L534] RET return (retValue_acc); [L867] EXPR valid_product() [L867] tmp = valid_product() [L869] COND TRUE \read(tmp) [L871] FCALL setup() [L872] CALL runTest() [L853] CALL __utac_acc__Specification2_spec__1() [L752] RET methAndRunningLastTime = 0 [L853] __utac_acc__Specification2_spec__1() [L854] CALL test() [L543] int splverifierCounter ; [L544] int tmp ; [L545] int tmp___0 ; [L546] int tmp___1 ; [L547] int tmp___2 ; [L550] splverifierCounter = 0 Loop: [L552] COND TRUE 1 [L554] COND TRUE splverifierCounter < 4 [L560] tmp = __VERIFIER_nondet_int() [L562] COND FALSE !(\read(tmp)) [L570] tmp___0 = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp___0)) [L580] tmp___2 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___2)) [L588] tmp___1 = __VERIFIER_nondet_int() [L590] COND TRUE \read(tmp___1) [L597] CALL timeShift() [L621] COND FALSE !(\read(pumpRunning)) [L628] COND TRUE \read(systemActive) [L630] FCALL processEnvironment() [L636] CALL __utac_acc__Specification2_spec__2() [L757] int tmp ; [L758] int tmp___0 ; [L762] CALL, EXPR isMethaneLevelCritical() [L94] int retValue_acc ; [L97] retValue_acc = methaneLevelCritical [L98] RET return (retValue_acc); [L762] EXPR isMethaneLevelCritical() [L762] tmp = isMethaneLevelCritical() [L764] COND FALSE !(\read(tmp)) [L780] RET methAndRunningLastTime = 0 [L636] RET __utac_acc__Specification2_spec__2() [L597] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...